JPH0765632B2 - One way clutch - Google Patents

One way clutch

Info

Publication number
JPH0765632B2
JPH0765632B2 JP61017858A JP1785886A JPH0765632B2 JP H0765632 B2 JPH0765632 B2 JP H0765632B2 JP 61017858 A JP61017858 A JP 61017858A JP 1785886 A JP1785886 A JP 1785886A JP H0765632 B2 JPH0765632 B2 JP H0765632B2
Authority
JP
Japan
Prior art keywords
torque transmission
ring
annular
rolling element
side wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP61017858A
Other languages
Japanese (ja)
Other versions
JPS62177323A (en
Inventor
耕一 田中
Original Assignee
中部ベアリング株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中部ベアリング株式会社 filed Critical 中部ベアリング株式会社
Priority to JP61017858A priority Critical patent/JPH0765632B2/en
Priority to DE8787100870T priority patent/DE3764479D1/en
Priority to EP87100870A priority patent/EP0230987B1/en
Priority to KR870000763A priority patent/KR870007380A/en
Publication of JPS62177323A publication Critical patent/JPS62177323A/en
Priority to US07/211,915 priority patent/US4909366A/en
Priority to KR2019910020490U priority patent/KR920001309Y1/en
Publication of JPH0765632B2 publication Critical patent/JPH0765632B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D13/00—Friction clutches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D41/00—Freewheels or freewheel clutches
    • F16D41/06—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
    • F16D41/064—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls
    • F16D41/066—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls all members having the same size and only one of the two surfaces being cylindrical
    • F16D41/067—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls all members having the same size and only one of the two surfaces being cylindrical and the members being distributed by a separate cage encircling the axis of rotation

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Friction Gearing (AREA)
  • One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
  • Mechanical Operated Clutches (AREA)

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、複写機、ファクシミリ、プリンター、タイプ
ライター等の事務用機器や包装用機器などにおける回動
軸に装着して用いられるワンウエイクラッチに関するも
のである。Description: TECHNICAL FIELD The present invention relates to a one-way clutch that is used by being mounted on a rotating shaft in office equipment such as copiers, facsimile machines, printers, typewriters, and packaging equipment. It is a thing.

〔従来の技術〕[Conventional technology]

ワンウエイクラッチは外輪と内輪との間に介在して、外
輪または内輪の一方向の回転に対してのみトルクを伝達
し、他の方向に対しては空転する機能をもっている。The one-way clutch is interposed between the outer ring and the inner ring, and has a function of transmitting torque only in one direction of rotation of the outer ring or the inner ring and idling in other directions.

第３図は公知技術を示し、外輪ａと内輪ｂの間において
保持器ｃによりトルク伝達部材としての複数のスプラグ
ｄを保持している。スプラグｄの両端部d1は、右傾時に
おいて外輪ａと内輪ｂに摺接し、左傾時においては外輪
ａと内輪ｂにかみ合いを生ずる角度で形成され、スプラ
グｄはばねｅにより右傾方向への逃げを許容された状態
で一定位置に保持される。FIG. 3 shows a known technique in which a plurality of sprags d serving as torque transmitting members are held by a cage c between an outer ring a and an inner ring b. Both ends d 1 of the sprag d are formed so as to slidably contact the outer ring a and the inner ring b when tilted to the right, and engage with the outer ring a and the inner ring b when tilted to the left. Is held in a fixed position while being allowed to.

この構成において、外輪ａ又は内輪ｂのp,p′方向回転
時においてはスプラグｄはばねｅに抗して右傾して空転
状態になり（第３図イ）、外輪ａ又は内輪ｂのq,q′方
向回転時においてはスプラグｄはかみ合いを生じてトル
ク伝達状態となる（第３図ロ）。In this structure, when the outer ring a or the inner ring b rotates in the p and p'directions, the sprag d tilts rightward against the spring e and becomes idling (Fig. 3A), and the q of the outer ring a or the inner ring b, During rotation in the q'direction, the sprags d are brought into mesh with each other and are in a torque transmitting state (Fig. 3B).

〔発明が解決しようとする問題点〕[Problems to be solved by the invention]

ところで、上記構成にあっては外輪ａ又は内輪ｂとは別
体に保持器ｃが設けられると共に該保持器ｃ内にトルク
伝達部材としてのスプラグｄとばねｅを組込むので構造
が複雑であって製造に煩雑な手数を要し、またばねｅの
状態によっては動作が不安定になると共に空転状態にお
いてはばねｅの弾力がスプラグを介して外輪ａ又は内輪
ｂに加えられるので、回転が重くなる欠点があった。By the way, in the above structure, the cage c is provided separately from the outer ring a or the inner ring b, and the sprag d as the torque transmitting member and the spring e are incorporated into the cage c, so that the structure is complicated. The manufacturing process requires complicated work, and the operation becomes unstable depending on the state of the spring e, and the elastic force of the spring e is applied to the outer ring a or the inner ring b via the sprag in the idling state, so that the rotation becomes heavy. There was a flaw.

本発明は上記した点に着目し、かかるばね部材を一切使
用しないで一方向回転時におけるトルク伝達部材の逃げ
を許容しつつ他方向回転時において所定位置にトルク伝
達部材を係合させるようにし、もって構造の簡略化と動
作の安定性を確保するようにしたものである。The present invention pays attention to the above points, and allows the torque transmission member to escape at the time of one direction rotation without using any such spring member, while engaging the torque transmission member at a predetermined position during the other direction rotation, Therefore, the structure is simplified and the stability of operation is ensured.

〔問題点を解決するための手段〕[Means for solving problems]

上記の目的を達成するため本発明においては、環状側壁
1aを有する主リング１に押え蓋として作用する環状側壁
1bを設けて中心に軸５を挿入する主リング１内に環状室
1eを形成し、該環状室1e内にトルク伝達方向規制リング
４と環状側壁1bに突設した区画壁1fにより周方向に分割
された複数の収容室Ｒを形成した保持器Ａを設け、収容
室Ｒにおいてトルク伝達用転動体２を内周側の開口部か
ら一部突出する状態で移動可能に設けると共にトルク伝
達方向規制リング４にトルク伝達用転動体２に対するト
ルク伝達用係合面4bと非係合面４b1を連続して設け、収
容室Ｒにおいてトルク伝達用転動体２をトルク伝達用係
合面と係合しない位置において支持する支持壁面３を区
画壁1fに設けて成ることを特徴とする。In order to achieve the above object, in the present invention, an annular side wall
An annular side wall acting as a holding lid for the main ring 1 having 1a
An annular chamber is provided in the main ring 1 in which the shaft 5 is inserted in the center by providing 1b.
1a is formed, and a retainer A is formed in the annular chamber 1e in which a plurality of accommodating chambers R are divided in the circumferential direction by the torque transmission direction regulating ring 4 and the partition wall 1f protruding from the annular side wall 1b. In the chamber R, the torque transmitting rolling element 2 is movably provided in a state of partially protruding from the opening on the inner peripheral side, and the torque transmitting direction regulating ring 4 is provided with a torque transmitting engaging surface 4b for the torque transmitting rolling element 2. The non-engaging surface 4b 1 is continuously provided, and the partition wall 1f is provided with a support wall surface 3 that supports the torque transmitting rolling element 2 in the storage chamber R at a position where it does not engage with the torque transmitting engaging surface. Characterize.

〔実施例〕〔Example〕

第1,2図において、１は外輪構成部材としての合成樹脂
製の主リングであり、一側内周には断面Ｌ字状に環状側
壁1aが連設され、他側には押え蓋として作用する環状側
壁1bが環状突状1cと環状凹溝1dの嵌合により固定され、
主リング１の内周壁には環状室1eが形成される。In FIGS. 1 and 2, reference numeral 1 denotes a synthetic resin main ring as an outer ring constituent member, an annular side wall 1a having an L-shaped cross section is continuously provided on the inner circumference of one side, and acts as a holding lid on the other side. The annular side wall 1b is fixed by fitting the annular protrusion 1c and the annular groove 1d,
An annular chamber 1e is formed on the inner peripheral wall of the main ring 1.

環状室1e内には、トルク伝達用転動体としてのスチール
ローラ２に対する保持器Ａが設けられる。保持器Ａは焼
結金属から成るトルク伝達方向規制リング４と前記環状
側壁1bに突設されて主リング１に達するようにして該リ
ング４内に設けられる区画壁1fとから成る。各区画壁1f
間に収容室Ｒが形成される。A retainer A for the steel roller 2 as a rolling element for torque transmission is provided in the annular chamber 1e. The cage A comprises a torque transmission direction regulating ring 4 made of a sintered metal and a partition wall 1f provided in the ring 4 so as to project from the annular side wall 1b and reach the main ring 1. Each partition wall 1f
A storage chamber R is formed between them.

トルク伝達方向規制リング４は周方向に６等分されて、
外周部には主リング１の突部（図示せず）と嵌合される
６個の固定用凹部4aが形成され、内周部に同心円に対す
る接線と6.5°〜８°の角度をもったトルク伝達用係合
面4bが形成されると共にその拡開側に連続して非係合面
４b1が形成されている。The torque transmission direction regulation ring 4 is divided into six equal parts in the circumferential direction,
The outer peripheral portion is formed with six fixing recesses 4a to be fitted with the protrusions (not shown) of the main ring 1, and the inner peripheral portion has a torque having an angle of 6.5 ° to 8 ° with a tangent to the concentric circle. Hikakarigomen 4b 1 is formed with transmitting engaging surface 4b is formed continuously on the expansion side.

収容室Ｒはトルク伝達用転動体としてのφ1.0〜2.5mmの
スチールローラ２が、中心に向かう内周側の開口部1gか
ら一部突出した状態で相対向する一対の支持用突部１
f1、１f1により脱出を阻止されつつ設けられる。In the accommodation chamber R, a pair of supporting projections 1 opposed to each other in a state where a steel roller 2 having a diameter of 1.0 to 2.5 mm as a rolling element for torque transmission partially protrudes from the opening 1g on the inner peripheral side toward the center.
It is provided while being prevented from escaping by f 1 and 1f 1 .

使用時においては、中心孔部に軸５が挿入され、スチー
ルローラ２は直径方向の両端部X,Yにおいてトルク伝達
方向規制リング４の係合面4bと軸５に当接する。In use, the shaft 5 is inserted into the central hole, and the steel roller 2 abuts the engaging surface 4b of the torque transmission direction restricting ring 4 and the shaft 5 at both ends X and Y in the diametrical direction.

この場合に、軸５がＰ方向に回転すると区画壁1fの支持
壁面３に当接するまでの微小間隙0.01〜0.03mm分だけス
チールローラ２′が移動して係合面4bから非係合面４b1
へ逃げるので空転状態となり（仮想線位置）、逆に軸５
がｑ方向に回転するとこれにつれてスチールローラ２が
支持壁面３から離れる方向に上記微小間隙をもって移動
し、スチールボール２は係合面4bとかみ合いを生じてト
ルク伝達状態となる。In this case, when the shaft 5 rotates in the P direction, the steel roller 2'moves by a minute gap of 0.01 to 0.03 mm until it comes into contact with the support wall surface 3 of the partition wall 1f, and the steel roller 2'is moved from the engaging surface 4b to the non-engaging surface 4b. 1
Since it escapes to, it will be in a state of idling (position of virtual line), conversely axis 5
When is rotated in the q direction, the steel roller 2 moves in the direction away from the support wall surface 3 with the minute gap, and the steel ball 2 meshes with the engagement surface 4b to be in the torque transmission state.

〔発明の効果〕〔The invention's effect〕

本発明は上記した如くに、環状側壁1aを有する主リング
１に押え蓋として作用する環状側壁1bを設けて中心に軸
５を挿入する主リング１内に環状室1eを形成し、該環状
室1e内にトルク伝達方向規制リング４と環状側壁1bに突
設した区画壁1fにより周方向に分割された複数の収容室
Ｒを形成した保持器Ａを設け、収容室Ｒにおいてトルク
伝達用転動体２を内周側の開口部から一部突出する状態
で移動可能に設けると共にトルク伝達方向規制リング４
にトルク伝達用転動体２に対するトルク伝達用係合面4b
と非係合面４b1を連続して設け、収容室Ｒにおいてトル
ク伝達用転動体２をトルク伝達用係合面と係合しない位
置において支持する支持壁面３を区画壁1fに設けて成る
ものであるから、主リング内においてトルク伝達方向規
制リングと区画壁により周方向に分割された複数の収容
室を簡単に構成することが出来、トルク伝達用係合面と
係合しない状態のトルク伝達用転動体を区画壁の支持壁
面によって支持することにより、主リング又は軸の動作
により直ちに該トルク伝達用係合面にかみ込ませてトル
ク伝達状態とすることができ、これによって全体の構造
が簡略化して製造が容易であると共に動作が安定し、支
持部材としてばねを用いないことにより空転動作を軽く
することができる特長を有する。As described above, the present invention provides the main ring 1 having the annular side wall 1a with the annular side wall 1b acting as a pressing lid to form the annular chamber 1e in the main ring 1 into which the shaft 5 is inserted. A retainer A having a plurality of accommodation chambers R circumferentially divided by a torque transmission direction regulating ring 4 and a partition wall 1f protruding from the annular side wall 1b is provided in the accommodation chamber 1e. 2 is provided so as to be movable in a state of partially protruding from the opening on the inner peripheral side, and the torque transmission direction regulating ring 4 is provided.
The torque transmitting engagement surface 4b for the torque transmitting rolling element 2
And a non-engaging surface 4b 1 are continuously provided, and a partition wall 1f is provided with a support wall surface 3 that supports the torque transmission rolling element 2 in the accommodation chamber R at a position where it does not engage with the torque transmission engagement surface. Therefore, it is possible to easily configure a plurality of storage chambers that are circumferentially divided by the torque transmission direction restricting ring and the partition wall in the main ring, and the torque transmission in the state where the torque transmission engagement surface is not engaged. By supporting the rolling element for use by the support wall surface of the partition wall, it is possible to immediately engage the torque transmitting engagement surface by the operation of the main ring or the shaft to bring it into the torque transmitting state. It has features that it is simple and easy to manufacture, the operation is stable, and the idling operation can be lightened by not using a spring as a supporting member.

【図面の簡単な説明】[Brief description of drawings]

第１図は本発明の一実施例についての断面図、第２図は
第１図のII−II線拡大断面図、第３図（イ）（ロ）は従
来例の説明図である。 １…主リング、1f…区画壁、２…トルク伝達用転動体、
３…支持壁面、４…トルク伝達方向規制リング、4b…ト
ルク伝達用係合面。1 is a sectional view of an embodiment of the present invention, FIG. 2 is an enlarged sectional view taken along the line II-II of FIG. 1, and FIGS. 3 (a) and 3 (b) are explanatory views of a conventional example. 1 ... Main ring, 1f ... Partition wall, 2 ... Roller for torque transmission,
3 ... Support wall surface, 4 ... Torque transmission direction restriction ring, 4b ... Torque transmission engagement surface.

Claims (1)

【特許請求の範囲】[Claims] 【請求項１】環状側壁1aを有する主リング１に押え蓋と
して作用する環状側壁1bを設けて中心に軸５を挿入する
主リング１内に環状室1eを形成し、該環状室1e内にトル
ク伝達方向規制リング４と環状側壁1bに突設した区画壁
1fにより周方向に分割された複数の収容室Ｒを形成した
保持器Ａを設け、収容室Ｒにおいてトルク伝達用転動体
２を内周側の開口部から一部突出する状態で移動可能に
設けると共にトルク伝達方向規制リング４にトルク伝達
用転動体２に対するトルク伝達用係合面4bと非係合面４
b1を連続して設け、収容室Ｒにおいてトルク伝達用転動
体２をトルク伝達用係合面と係合しない位置において支
持する支持壁面３を区画壁1fに設けて成ることを特徴と
するワンウエイクラッチ。1. A main ring 1 having an annular side wall 1a is provided with an annular side wall 1b acting as a pressing lid, and an annular chamber 1e is formed in the main ring 1 into which a shaft 5 is inserted, and the annular chamber 1e is formed in the annular ring 1e. Torque transmission direction control ring 4 and partition wall projecting from the annular side wall 1b
A retainer A having a plurality of accommodation chambers R divided in the circumferential direction by 1f is provided, and the torque transmission rolling element 2 is movably provided in the accommodation chamber R in a state of partially protruding from the opening on the inner peripheral side. Together with the torque transmission direction restriction ring 4, the torque transmission engagement surface 4b and the non-engagement surface 4 for the torque transmission rolling element 2 are provided.
b 1 is continuously provided, and the partition wall 1f is provided with a support wall surface 3 for supporting the torque transmission rolling element 2 at a position where it does not engage with the torque transmission engagement surface in the accommodation chamber R. clutch.
JP61017858A 1986-01-31 1986-01-31 One way clutch Expired - Fee Related JPH0765632B2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP61017858A JPH0765632B2 (en) 1986-01-31 1986-01-31 One way clutch
DE8787100870T DE3764479D1 (en) 1986-01-31 1987-01-22 FREE CLUTCH.
EP87100870A EP0230987B1 (en) 1986-01-31 1987-01-22 One-way clutch
KR870000763A KR870007380A (en) 1986-01-31 1987-01-31 One way clutch
US07/211,915 US4909366A (en) 1986-01-31 1988-06-27 One-way clutch
KR2019910020490U KR920001309Y1 (en) 1986-01-31 1991-11-27 One-way clutch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61017858A JPH0765632B2 (en) 1986-01-31 1986-01-31 One way clutch

Publications (2)

Publication Number Publication Date
JPS62177323A JPS62177323A (en) 1987-08-04
JPH0765632B2 true JPH0765632B2 (en) 1995-07-19

Family

ID=11955354

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61017858A Expired - Fee Related JPH0765632B2 (en) 1986-01-31 1986-01-31 One way clutch

Country Status (5)

Country Link
US (1) US4909366A (en)
EP (1) EP0230987B1 (en)
JP (1) JPH0765632B2 (en)
KR (1) KR870007380A (en)
DE (1) DE3764479D1 (en)

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JP2576150Y2 (en) * 1992-08-24 1998-07-09 エヌエスケー・ワーナー株式会社 One-way clutch
JP4240169B2 (en) 1999-03-29 2009-03-18 株式会社ジェイテクト One-way clutch and pulley with one-way clutch
US6793056B2 (en) * 2001-07-31 2004-09-21 Ntn Corporation One-way clutch and one-way clutch assembly
JP4543274B2 (en) * 2002-10-01 2010-09-15 大正製薬株式会社 Nasal composition
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WO2008114468A1 (en) * 2007-03-20 2008-09-25 Nsk-Warner K.K. Roller-type one-way clutch
CN110332254B (en) * 2019-07-29 2021-08-13 上海延锋金桥汽车饰件系统有限公司 One-way bearing assembly and application thereof

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JPS49132439A (en) * 1973-04-26 1974-12-19
US3885544A (en) * 1973-07-05 1975-05-27 Hamilton Colleen B Starting device for an internal combustion engine
US3990555A (en) * 1975-03-25 1976-11-09 The Torrington Company Unitary assembly of overrunning clutch and bearing
JPS6039541Y2 (en) * 1977-10-26 1985-11-27 エヌ・テ−・エヌ東洋ベアリング株式会社 one way clutch
JPS5842836A (en) * 1981-09-08 1983-03-12 Fuji Heavy Ind Ltd Rust preventive method of clutch facing
JPS5899528U (en) * 1981-12-28 1983-07-06 光洋精工株式会社 On the other hand, clutch
JPS58142424U (en) * 1982-03-19 1983-09-26 トツクベアリング株式会社 one way bearing
JPS5966033U (en) * 1982-10-26 1984-05-02 光洋精工株式会社 On the other hand, clutch
US4660698A (en) * 1983-04-25 1987-04-28 Tok Bearing Company, Inc. One way clutch
FR2552495B1 (en) * 1983-09-23 1987-11-13 Paris & Du Rhone UNIDIRECTIONAL DRIVE DEVICE WITH INDEPENDENT EXTERIOR TRACK
US4591036A (en) * 1984-12-28 1986-05-27 Osawa Press Mfg. Co., Ltd. Single revolution clutch
JPH0351533Y2 (en) * 1985-03-09 1991-11-06

Also Published As

Publication number Publication date
EP0230987B1 (en) 1990-08-29
KR870007380A (en) 1987-08-18
US4909366A (en) 1990-03-20
JPS62177323A (en) 1987-08-04
EP0230987A1 (en) 1987-08-05
DE3764479D1 (en) 1990-10-04

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